RadTech (http://www.radtech.com) has introduced the Aero case for the iPhone 4. The US$24.95 case is form-fitting and lightweight. It’s made of a skin-tight, zero-flex polyurethane material that purportedly enhances your grip of the Apple smartphone.
The Aero allows full control of the iPhone from inside the case. It’s available in black, blue, green, purple and pink colors.
The Aero is washable and auoclavable. What’s more, the folks at RadTech say it improves cell signal reception.